@charset "UTF-8";
* {
  margin: 0;
  padding: 0; }

a {
  text-decoration: none;
  color: black; }

li {
  list-style: none; }

body {
  font-family: arial, "Hiragino Sans GB", "Microsoft Yahei", "微软雅黑", "宋体", Tahoma, Arial, Helvetica, STHeiti; }

header {
  width: 100%;
  height: 50px;
  background: black;
  color: #fff;
  display: flex;
  justify-content: space-around;
  align-items: center; }

aside {
  width: 100%; }
  aside ul {
    width: 95%;
    margin: 0 auto; }
    aside ul li {
      line-height: 60px;
      border-top: 1px solid #ccc; }
      aside ul li a {
        display: flex;
        justify-content: space-between; }
